RD Sharma class 10 solutions Chapter 8 Quadratic Equations Ex 8.10 RD Sharma Class 10 Solutions Quadratic Equations Exercise 8.10 Question 1. The hypotenuse of a right triangle is 25 cm. The difference between the lengths of the other two sides of the triangle is 5 cm. Find the lengths of these sides. Solution: Length…
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RD Sharma class 10 solutions Chapter 8 Quadratic Equations Ex 8.9 RD Sharma Class 10 Solutions Quadratic Equations Exercise 8.9 Question 1. Ashu is x years old while his mother Mrs. Veena is x² years old. Five years hence Mrs. Veena will be three times old as Ashu. Find their present ages. Solution: Present age…
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RD Sharma class 10 solutions Chapter 8 Quadratic Equations Ex 8.8 RD Sharma Class 10 Solutions Quadratic Equations Exercise 8.8 Question 1. The speed of a boat in still water is 8 km/hr. It can go 15 km upstream and 22 km downstream in 5 hours. Find the speed of the stream. Solution: Let the…
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RD Sharma class 10 solutions Chapter 8 Quadratic Equations Ex 8.7 RD Sharma Class 10 Solutions Quadratic Equations Exercise 8.7 Question 1. Find two consecutive numbers whose squares have the sum 85. (C.B.S.E. 2000) Solution: Let first number = x Then second number = x + 1 According to the condition x² + (x +…
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RD Sharma class 10 solutions Chapter 8 Quadratic Equations Ex 8.6 RD Sharma Class 10 Solutions Quadratic Equations Exercise 8.6 Question 1. Determine the nature of the roots of following quadratic equations : (i) 2x² – 3x + 5 = 0 [NCERT] (ii) 2x² – 6x + 3 = 0 [NCERT] (iii) x² – x…
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RD Sharma class 10 solutions Chapter 8 Quadratic Equations Ex 8.5 RD Sharma Class 10 Solutions Quadratic Equations Exercise 8.5 Question 1. Write the discriminant of the following quadratic equations : (i) 2x² – 5x + 3 = 0 (ii) x² + 2x + 4 = 0 (iii) (x – 1) (2x – 1) =…
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RD Sharma class 10 solutions Chapter 8 Quadratic Equations Ex 8.4 RD Sharma Class 10 Solutions Quadratic Equations Exercise 8.4 Find the roots of the following quadratic equations (if they exist) by the method of completing the square. Question 1. x² – 4 √2x + 6 = 0 Solution: Question 2. 2x² – 7x +…
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RD Sharma class 10 solutions Chapter 8 Quadratic Equations Ex 8.3 RD Sharma Class 10 Solutions Quadratic Equations Exercise 8.3 Solve the following quadratic equations by factorization. Question 1. (x – 4) (x + 2) = 0 Solution: (x – 4) (x + 2) = 0 Either x – 4 = 0, then x =…
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RD Sharma class 10 solutions Chapter 8 Quadratic Equations Ex 8.2 RD Sharma Class 10 Solutions Quadratic Equations Exercise 8.2 Question 1. The product of two consecutive positive integers is 306. Form the quadratic equation to find the integers, if x denotes the smaller integer. [NCERT] Solution: Let the first number = x Then second…
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RD Sharma Class 10 Solutions Chapter 08 Quadratic Equations RD Sharma Class 10 Solutions Quadratic Equations Exercise 8.1 Question 1. Which of the following are quadratic equations ? Solution: Question 2. In each of the following, determine whether the given values are solutions of the given equation or not : Solution: Question 3. In each…
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